Merge "Merge "Add notification panel mediator that does not have any drag open...

Merge "Merge "Add notification panel mediator that does not have any drag open behavior." into rvc-dev am: a26138bc am: 885019f0" into rvc-d1-dev-plus-aosp am: 02430a8a am: 78f35e4e

Change-Id: Idd15d51d38ba9b32b5100155592afc3a8bbb1ee4